Gertner is also the CEO of affiliate Hill & Gertner Retail Partners. Since its founding, he has been involved in more than $1 billion of transactions in the retail sector, most notably Eaton’s, Dylex, and Hip Interactive. He has a Bachelor of Architecture from University of Toronto and practised architecture in the early 1980s. Lorne is formerly a founder and director of Lonsdale Public ventures; Cynapsus Therapeutics Inc.; Spring & Mercer Capital Corporation and Bayview Public Ventures.

As an Institute-certified director from the Rotman School of Management, he is a board member in various public and private companies as well as non-profit corporations, including Trillium North Minerals Ltd. (TSX:TNM), Seven Continents, eLUXE, Vice Chair of Fashion Design Council of Canada and WMC Fashion Week, the design exchange and the Ryerson School of Fashion. He is also a founder and director of the Gertner Family Charitable Foundation which makes investments in medical research, hospitals and the public charitable sector.